Yamaha Outboards Service Manual – 115A / 140A | P/N 6E5-28197-20

his Yamaha Outboards Service Manual is the official factory guide for maintaining and repairing the 115A and 140A two-stroke engine models. With the genuine OEM part number 6E5-28197-20, this manual delivers all the technical knowledge and procedures directly from Yamaha, ensuring accurate servicing and long-term reliability for your marine engine.

Inside this manual, you'll find detailed step-by-step instructions, exploded diagrams, troubleshooting procedures, specifications, and maintenance schedules tailored specifically for the 115A and 140A outboards. Whether you're a marine technician, a workshop operator, or a DIY boat owner, this manual offers the factory-grade knowledge you need to service your engine confidently.